# TI-83+ Graphing Calculator for Dummies

( 1 )

### Overview

Would you order a multi-course gourmet buffet and just eat salad? If you have a TI-83 Plus graphing calculator, you have a veritable feast of features and functions at your fingertips, but chances are you don’t take full advantage of them. This friendly guide will help you explore your TI-83 Plus Graphing Calculator and use it for all it’s worth, and that’s a lot. With easy-to-follow, step-by-step instructions plus screen shots, TI-83 Plus ...

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### Overview

Would you order a multi-course gourmet buffet and just eat salad? If you have a TI-83 Plus graphing calculator, you have a veritable feast of features and functions at your fingertips, but chances are you don’t take full advantage of them. This friendly guide will help you explore your TI-83 Plus Graphing Calculator and use it for all it’s worth, and that’s a lot. With easy-to-follow, step-by-step instructions plus screen shots, TI-83 Plus Graphing Calculator For Dummies shows you how to:

• Perform basic arithmetic operations
• Use all the functions in the Math menu, including the four submenus: MATH, NUM, CPS, and PRB
• Use the fantastic Finance application to decide whether to lease or get a loan and buy, calculate the best interest, and more
• Graph and analyze functions by tracing the graph or by creating a table of functional values, including graphing piecewise-defined and trigonometric functions
• Explore and evaluate functions, including how to find the value, the zeros, the point of intersection of two functions, and more
• Draw on a graph, including line segments, circles, and functions, write text on a graph, and do freehand drawing
• Work with sequences, parametric equations, and polar equations
• Use the Math Probability menu to evaluate permutations and combinations
• Enter statistical data and graph it as a scatter plot, histogram, or box plot, calculate the median and quartiles, and more
• Deal with matrices, including finding the inverse, transpose, and determinant and using matrices to solve a system of linear equations

Get this book and discover how your TI-83 Plus Graphing Calculator can solve all kinds of problems for you.

### Editorial Reviews

##### From Barnes & Noble
The Barnes & Noble Review
Ten million people own an incredibly powerful computer that fits in their pocket. Not a Palm PDA. Not a Pocket PC. We’re talking about Texas Instruments’ TI-83 and TI-83+ Silver Edition graphing calculators. If math’s involved, there’s little these babies can’t do. But if you’re new to it, it’s not always obvious how to make them jump through hoops for you. Wouldn’t it be great if there were one of those yellow-and-black For Dummies guides? Now, there is: TI-83+ Graphing Calculator for Dummies, by C.C. Edwards.

Seems like every contraption has its own community nowadays. The TI-83’s no exception. Folks in the TI-83 community will know and respect this book’s author. She edited TI’s official calculator newsletter, Eightysomething!, and has contributed dozens of educational projects to TI’s web site.

Here, she covers the TI-83 inside and out, from mode settings to matrix math. If you’re buying a TI-83 (or giving one as a gift), get this book, too. If you’ve already got a TI-83, get it now: You’ll wish you had it sooner.

Spend a few minutes with Chapter 1 for whatever fundamentals you haven’t figured out yet. (What’s the equivalent of the Escape key on this thing? How do I get it to evaluate an expression? How do I access those yellow secondary key functions?)

Next, warm up with a little simple arithmetic. Sure, you don’t need a book to add and subtract -- but Edwards has some timesaving shortcuts you may not have picked up with your \$2 solar calculator.

By Chapter 3, you’ll be moving into advanced arithmetic -- including finding LCM, GCD, and factorials. There’s a full chapter on complex numbers: not just entering and calculating with them but also finding real and imaginary parts, complex conjugates, and absolute values.

By the way, don’t get the wrong impression: This isn’t a math textbook. But Edwards provides plenty of examples to give you the real-world practice you’re looking for. (That way, you’ll be 100 percent comfortable when you take your calculator into your SAT or AP Calculus exam.)

The TI-83 is a graphing calculator, and the heart of this book is its coverage of graphing functions, sequences (a.k.a. iterative or recursive functions), parametric equations, and polar equations.

Some of this is nuts-and-bolts stuff (how to view the table and graph on the same itty-bitty screen). Some of it’s conceptual, and quite important (assessing your graph’s accuracy; recognizing asymptotes; knowing when the screen is distorting your graph). But most of it’s problem solving (finding the slope of a tangent to the graph; finding the area under the curve of the function).

There’s a full section on statistics and probability: generating random numbers; evaluating permutations and combinations; sorting data; finding means, medians, and modes; working with quartiles and standard deviation, and so forth. Last but not least, Edwards turns to creating, editing, and using matrices.

The TI-83 isn’t a stand-alone device: It can communicate with other calculators and with other PCs. Edwards shows you how to do all that. She even gives you a taste of programming the TI-83...just in case its hundreds of apps don’t already do what you want. Bill Camarda

Bill Camarda is a consultant, writer, and web/multimedia content developer. His 15 books include Special Edition Using Word 2000 and Upgrading & Fixing Networks for Dummies, Second Edition.

### Product Details

• ISBN-13: 9780764549700
• Publisher: Wiley
• Publication date: 12/1/2003
• Series: For Dummies Series
• Edition number: 1
• Pages: 288
• Sales rank: 292,565
• Product dimensions: 6.10 (w) x 9.25 (h) x 0.60 (d)

### Meet the Author

C.C. Edwards is an instructor at Coastal Carolina University. Previously, she was the editor of Eightysomething, Texas Instruments’ newsletter that explored the features of graphing calculators for parents and educators.

Introduction.

Part I: Making Friends with the Calculator.

Chapter 1: Coping with the Basics.

Chapter 2: Doing Basic Arithmetic.

Part II: Advanced Functions, Complex Numbers, and Solving Equations.

Chapter 3: The Math and Angle Menus.

Chapter 4: Dealing with Complex Numbers.

Chapter 5: Solving Equations.

Part III: Dealing with Finances.

Chapter 6: Finding the Best Deal.

Chapter 7: Loans and Mortgages.

Chapter 8: Savings and Investments.

Part IV: Graphing and Analyzing Functions.

Chapter 9: Graphing Functions.

Chapter 10: Exploring Functions.

Chapter 11: Evaluating Functions.

Chapter 12: Drawing on a Graph.

Part V: Sequences, Parametric Equations, and Polar Equations.

Chapter 13: Graphing Sequences.

Chapter 14: Exploring Sequences.

Chapter 15: Parametric Equations.

Chapter 16: Polar Equations.

Part VI: Probability and Statistics.

Chapter 17: Probability.

Chapter 18: Dealing with Statistical Data.

Chapter 19: Analyzing Statistical Data.

Part VII: Dealing with Matrices.

Chapter 20: Creating and Editing Matrices.

Chapter 21: Using Matrices.

Part VIII: Communicating with PCs and Other Calculators.

Chapter 22: Communicating with a PC with TI ConnectTM .

Chapter 23: Communicating Between Calculators.

Part IX: The Part of Tens.

Chapter 24: Ten Great Applications.

Chapter 25: Eight Common Errors.

Chapter 26: Eleven Common Error Messages.

Index.

## Customer Reviews

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Sort by: Showing 1 Customer Reviews
• Anonymous

Posted December 16, 2004

#### another dummies dummy book

the book does not explain in an organized manner the functions of the TI-83. save your money.

1 out of 2 people found this review helpful.